Plane Trigonometry for the Use of Colleges and Schools: With Numerous Examples |
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A+B+C Algebra angle increases AP coincides approximately arithmetical progression centre circle inscribed circular measure circumference circumscribed circle coefficient cos A cos cos² cos³ cosec cosine cotangent deduce denote distance equal escribed circles example expression factors formula four right angles given angle given log greater height Hence hypotenuse integer limit logarithmic sine multiple number of degrees observed obtain opposite sides perpendicular places of decimals positive angle positive integer preceding Article quadrant quadrilateral quantity radii radius regular polygon result right angle right-angled triangle sec² secant shew shewn Similarly sin A sin sin² sin³ sine Solve the equation straight line subtend suppose Table tabular logarithmic tan³ tangent theorem triangle ABC Trigonometrical Functions Trigonometrical Ratios zero π π